:root{--bg:#f8f8fc;--fg:#1c1b2e;--muted:#6b6b80;--card:#fff;--bd:#e4e4ee;--pri:#4f46e5;--pri-fg:#fff;--soft:#eef0ff;--ok:#16a34a;--okbg:#ecfdf3;--no:#dc2626;--nobg:#fef2f2}
.dark{--bg:#0f0f1a;--fg:#ececf6;--muted:#9a9ab4;--card:#171726;--bd:#2a2a40;--pri:#6366f1;--soft:#22224a;--okbg:#0f2a1c;--nobg:#2a1313}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font-family:Inter,'Noto Sans KR',system-ui,sans-serif;line-height:1.5}
.wrap{max-width:680px;margin:0 auto;padding:20px 16px 60px}
h1,h2,h3{margin:0}h2{font-size:1.5rem;margin-bottom:6px}
.muted{color:var(--muted)}.sm{font-size:.8rem}.center{text-align:center}.pad{padding:18px}.block{display:block}.mb{margin-bottom:14px}
.card{background:var(--card);border:1px solid var(--bd);border-radius:14px;margin-bottom:14px;position:relative}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;border-radius:10px;padding:9px 16px;font:inherit;font-weight:600;cursor:pointer;text-decoration:none;color:var(--fg);background:transparent;min-height:42px}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.primary{background:var(--pri);color:var(--pri-fg)}.btn.outline{border-color:var(--bd);background:var(--card)}
.btn.ghost{color:var(--muted)}.btn.sm{padding:4px 10px;min-height:32px;font-size:.85rem}.btn.lg{width:100%;margin-bottom:10px;padding:13px}
.btn.icon{padding:6px 10px;min-height:36px}.btn.danger{background:var(--nobg);color:var(--no);border-color:var(--no)}
.top{display:flex;align-items:center;gap:12px;margin-bottom:18px}.top .btn{margin-left:auto}
.logo{width:44px;height:44px;border-radius:12px;background:var(--soft);display:grid;place-items:center;font-size:22px}
.row,.row3,.stack{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.row3{display:grid;grid-template-columns:repeat(3,1fr)}.stack{flex-direction:column}
.badge{background:var(--soft);color:var(--pri);border-radius:99px;padding:1px 9px;font-size:.78rem;font-weight:700}
.badge.ok{background:var(--okbg);color:var(--ok)}.badge.no{background:var(--nobg);color:var(--no)}.badges{display:flex;gap:8px;justify-content:flex-end}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.card.month{padding:14px;text-decoration:none;color:inherit;display:block;margin:0}
.mhead{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}.mname{font-size:1.15rem;font-weight:700}
.bar{height:6px;background:var(--bd);border-radius:99px;overflow:hidden;margin-bottom:6px}.bar i{display:block;height:100%;background:var(--pri);border-radius:99px;transition:width .3s}
.bar.big{height:10px}.bar.thin{height:4px}
.c-indigo .bar i{background:#818cf8}.c-violet .bar i{background:#a78bfa}.c-fuchsia .bar i{background:#e879f9}.c-pink .bar i{background:#f472b6}.c-rose .bar i{background:#fb7185}.c-orange .bar i{background:#fb923c}.c-amber .bar i{background:#fbbf24}.c-lime .bar i{background:#a3e635}.c-emerald .bar i{background:#34d399}.c-teal .bar i{background:#2dd4bf}.c-cyan .bar i{background:#22d3ee}.c-sky .bar i{background:#38bdf8}
.bar-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.searchbox{position:relative;margin-bottom:16px}
input[type=text],input:not([type]),select{width:100%;padding:11px 14px;border:1px solid var(--bd);border-radius:12px;background:var(--card);color:var(--fg);font:inherit}
.results{position:absolute;z-index:20;left:0;right:0;top:100%;margin-top:6px;background:var(--card);border:1px solid var(--bd);border-radius:12px;box-shadow:0 8px 24px #0002;overflow:hidden}
.results button{display:flex;gap:10px;align-items:center;width:100%;text-align:left;padding:10px 14px;border:0;border-bottom:1px solid var(--bd);background:none;color:inherit;font:inherit;cursor:pointer}
.results button b{background:var(--soft);color:var(--pri);border-radius:99px;padding:0 8px;font-size:.75rem}.results button span{flex:1;min-width:0}.results small{color:var(--muted)}.results em{font-style:normal;font-size:.75rem;color:var(--pri)}
.label{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:10px}
.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{border:1px solid var(--bd);background:var(--card);color:var(--muted);border-radius:99px;padding:6px 14px;font:inherit;font-size:.88rem;font-weight:500;cursor:pointer}
.chip.on{background:var(--pri);border-color:var(--pri);color:#fff}
.warn{text-align:center;color:var(--pri);font-weight:600;font-size:.9rem}
.tabs{display:grid;grid-template-columns:repeat(3,1fr);background:var(--soft);padding:4px;border-radius:10px;margin-bottom:14px}
.tab{border:0;background:none;color:var(--muted);padding:8px;border-radius:8px;font:inherit;font-weight:500;cursor:pointer}.tab.on{background:var(--card);color:var(--fg);box-shadow:0 1px 3px #0002}
.counter{background:var(--soft);padding:3px 12px;border-radius:99px;font-size:.85rem;color:var(--muted)}.counter b{color:var(--pri)}
.search{margin-bottom:14px}.jump{display:flex;gap:8px;align-items:center;margin-bottom:8px}.jump select{flex:1;padding:6px 8px}
.flash{padding:26px 20px;text-align:center;min-height:240px;animation:inr .22s ease}.flash.in-l{animation-name:inl}
@keyframes inr{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:none}}@keyframes inl{from{opacity:0;transform:translateX(-40px)}to{opacity:1;transform:none}}
.fav{position:absolute;top:10px;right:12px;border:0;background:none;font-size:1.5rem;color:var(--muted);cursor:pointer}.fav.on{color:#f5b301}
.wd{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:12px}.wd h2{font-size:2.2rem;margin:0}.wd h3{font-size:1.2rem}
.ans{margin-top:16px;text-align:left}.mean{font-size:1.1rem;font-weight:500;text-align:center;border-top:1px solid var(--bd);padding-top:14px}
.ex{background:var(--soft);border-radius:12px;padding:14px}.ex .en,.en{font-style:italic;margin:4px 0}
.nav{display:flex;justify-content:space-between;gap:8px}
.analysis{margin-top:12px;background:var(--card);border:1px dashed var(--bd);border-radius:10px;padding:12px;text-align:left}
.aname{font-weight:700;font-size:.85rem;margin-bottom:8px}.tr{margin-top:6px;color:var(--muted)}
.q{font-size:1.4rem;margin:8px 0 18px}.hl{color:var(--pri)}.fb{font-size:1.1rem;font-weight:500}.mono{font-family:monospace;letter-spacing:.15em}
u.ok{color:var(--ok)}u.no{color:var(--no)}.shake{animation:shk .35s}@keyframes shk{25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
.opts{display:grid;gap:10px;margin-top:14px}.opt{text-align:left;padding:13px 14px;border-radius:10px;border:1px solid var(--bd);background:var(--card);color:inherit;font:inherit;font-weight:500;cursor:pointer}
.opt:hover:not(:disabled){background:var(--soft)}.opt.right{border-color:var(--ok);background:var(--okbg)}.opt.wrong{border-color:var(--no);background:var(--nobg)}
.after{margin-top:16px}.feed{background:var(--soft);border-radius:10px;padding:12px;margin-bottom:10px}.end{display:flex;justify-content:flex-end;margin-top:12px}
.trophy{font-size:2.6rem}.score{font-size:3rem;font-weight:700;color:var(--pri);margin:10px 0 16px}.center .row{justify-content:center}
.wl{max-height:420px;overflow:auto;padding:8px 14px}.wli{display:flex;gap:10px;padding:6px 0;border-bottom:1px solid var(--bd);font-size:.9rem}.wli b{color:var(--muted);min-width:28px}
.rv .wd{justify-content:flex-start}.rv .wd .btn.sm{margin-left:auto}.rv .mean{text-align:left;border:0;padding:0;font-size:1rem}
.set{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--bd)}.set input[type=checkbox]{width:20px;height:20px}
@media(max-width:480px){.row3{grid-template-columns:1fr}}

/* 케쌤영어 방(역할) 타일 */
:root{--S:#2563eb;--S-bg:#dbeafe;--V:#dc2626;--V-bg:#fee2e2;--O:#16a34a;--O-bg:#dcfce7;--C:#9333ea;--C-bg:#f3e8ff;--M:#d97706;--M-bg:#fef3c7;--T:#6b7280;--T-bg:#f3f4f6}
.dark{--S-bg:#1e2a52;--V-bg:#3a1a1a;--O-bg:#12301f;--C-bg:#2d1f45;--M-bg:#3a2d12;--T-bg:#232336}
.st-tiles{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
.tile.r{display:inline-flex;flex-direction:column;align-items:center;gap:1px;font-size:15px;font-weight:600;padding:6px 10px;border-radius:11px;border:1.5px solid;font-style:normal}
.tile.r small{font-size:10px;font-weight:700;letter-spacing:-.2px}
.tile.r-S{background:var(--S-bg);border-color:var(--S);color:#1e3a8a}.tile.r-S small{color:var(--S)}
.tile.r-V{background:var(--V-bg);border-color:var(--V);color:#7f1d1d}.tile.r-V small{color:var(--V)}
.tile.r-O,.tile.r-IO,.tile.r-DO{background:var(--O-bg);border-color:var(--O);color:#14532d}.tile.r-O small,.tile.r-IO small,.tile.r-DO small{color:var(--O)}
.tile.r-C,.tile.r-OC{background:var(--C-bg);border-color:var(--C);color:#581c87}.tile.r-C small,.tile.r-OC small{color:var(--C)}
.tile.r-M{background:var(--M-bg);border-color:var(--M);color:#78350f}.tile.r-M small{color:var(--M)}
.tile.r-T{background:var(--T-bg);border:1.5px dashed var(--T);color:#4b5563;opacity:.95}.tile.r-T small{color:var(--T)}
.dark .tile.r{color:var(--fg)}
.tile.tgt{box-shadow:0 0 0 2px #f5b30188}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:#1f2937;color:#fff;padding:10px 16px;border-radius:12px;font-size:.88rem;max-width:90vw;opacity:0;pointer-events:none;transition:.25s;z-index:60}
.toast.show{opacity:1;transform:translate(-50%,0)}
.imp-note{margin-top:4px;font-size:.82rem;color:var(--muted)}.imp-note b{color:var(--pri)}
.form{margin-top:6px;font-size:.88rem;word-break:keep-all}.form b{display:inline-block;padding:1px 9px;border-radius:99px;background:var(--soft);color:var(--pri);margin-right:6px}
/* 앱 설치 버튼 */
.install-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--bd);background:var(--soft);color:var(--pri);border-radius:99px;padding:9px 18px;font:inherit;font-size:.9rem;font-weight:600;cursor:pointer}
.install-btn:hover{filter:brightness(.97)}.install-btn[hidden]{display:none}
.install-btn.sm{padding:6px 12px;font-size:.82rem;white-space:nowrap}
.install-btn.guide{background:var(--card)}@media(max-width:400px){.install-btn.sm{padding:6px 9px;font-size:.78rem}.top h1{font-size:1.35rem}}
.lock-acts{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:14px}.lock .lock-acts .install-btn{margin-top:0;padding:9px 14px}.lock .install-btn{margin-top:14px}
/* 케쌤영어 로고 + 앱 이름 */
.top{gap:10px}.top .brand{width:40px;height:40px;flex:none;border-radius:10px}.top h1{font-size:1.6rem;line-height:1.1;margin:0}
.topact{margin-left:auto;display:flex;align-items:center;gap:6px}.topact .btn{margin-left:0}
.lock .brand{width:64px;height:64px;margin:0 auto 12px;display:block;border-radius:14px}
/* 입장(비밀번호) 화면 */
.lock{max-width:340px;margin:14vh auto 0;text-align:center}.lock .logo{width:56px;height:56px;margin:0 auto 12px;font-size:28px}
.lock h1{margin-bottom:4px}.lock input[type=password]{margin:14px 0 8px;text-align:center;font-size:1.05rem}
.lock .remember{display:flex;gap:8px;align-items:center;justify-content:center;font-size:.85rem;color:var(--muted);margin-bottom:6px}
.lock .no{color:var(--no);min-height:1.4em;font-size:.88rem;margin:6px 0 10px}
/* 난이도 배지 */
:root{--t1:#16a34a;--t1-bg:#dcfce7;--t2:#d97706;--t2-bg:#fef3c7;--t3:#dc2626;--t3-bg:#fee2e2}
.dark{--t1-bg:#12301f;--t2-bg:#3a2d12;--t3-bg:#3a1a1a}
.tier{display:inline-block;font-size:.7rem;font-weight:700;padding:1px 8px;border-radius:99px;vertical-align:middle;letter-spacing:.2px}
.tier.t-1{background:var(--t1-bg);color:var(--t1)}.tier.t-2{background:var(--t2-bg);color:var(--t2)}.tier.t-3{background:var(--t3-bg);color:var(--t3)}
.tier.big{font-size:1rem;padding:3px 14px}
.studybox{margin-bottom:0}.studybox .label{margin-top:10px}
.tl-row{text-decoration:none;color:inherit;cursor:pointer}.tl-row:hover{background:var(--soft)}
/* 3주 코스 */
.lvbig{font-size:1.8rem;font-weight:700;margin:4px 0 8px}.lvbig small{font-size:.9rem;font-weight:500}
.gauge{position:relative;display:flex;justify-content:space-between;font-size:.72rem;color:var(--muted);margin:10px 4px 14px;padding-top:14px;background:linear-gradient(90deg,var(--t1),var(--t2),var(--t3));background-size:100% 6px;background-repeat:no-repeat}
.gauge i{position:absolute;top:-4px;width:14px;height:14px;margin-left:-7px;border-radius:50%;background:#fff;border:3px solid var(--pri);box-shadow:0 1px 4px #0004}
.cgrid{display:grid;gap:12px}.cweek .mw-title{margin-bottom:6px}
.ccells{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.ccell{border:1px solid var(--bd);border-radius:10px;padding:8px 4px;text-align:center;background:var(--card);font-size:.82rem;min-height:68px;display:flex;flex-direction:column;gap:2px}
.ccell small{color:var(--muted);font-size:.7rem;min-height:1em}.ccell span{font-weight:600;color:var(--muted);font-size:.78rem}
.ccell.done{background:var(--okbg);border-color:var(--ok)}.ccell.done span{color:var(--ok)}
.ccell.today{border-color:var(--pri);box-shadow:0 0 0 2px var(--soft)}.ccell.today span{color:var(--pri)}
.ccell.makeup{border-style:dashed}
.scand .row{margin:8px 0 0}.kn{min-width:90px}.kn.on{background:var(--ok);border-color:var(--ok);color:#fff}.kn.on.no{background:var(--no);border-color:var(--no)}
.pickrow{display:flex;gap:12px;align-items:flex-start;cursor:pointer}.pickrow input{width:20px;height:20px;margin-top:4px}
.legend{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted);margin-top:10px}
.legend b{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:4px;vertical-align:-1px}